2785840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 6562080

約数和(自身を除く): 3776240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 359, 388, 485, 718, 776, 970, 1436, 1552, 1795, 1940, 2872, 3590, 3880, 5744, 7180, 7760, 14360, 28720, 34823, 69646, 139292, 174115, 278584, 348230, 557168, 696460, 1392920, 2785840]

約数ペア:

[(1, 2785840), (2, 1392920), (4, 696460), (5, 557168), (8, 348230), (10, 278584), (16, 174115), (20, 139292), (40, 69646), (80, 34823), (97, 28720), (194, 14360), (359, 7760), (388, 7180), (485, 5744), (718, 3880), (776, 3590), (970, 2872), (1436, 1940), (1552, 1795)]